Home / 89,715,635-123,807,481.24-48,462,520.76

Finding the Fourth Proportional to 89,715,635, 123,807,481.24 and 48,462,520.76

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Solution

The fourth proportional to 89,715,635, 123,807,481.24 and 48,462,520.76 is: 66,878,227.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,715,635 : 123,807,481.24 = 48,462,520.76 : x
  2. Step 2: Convert to fraction form
    89,715,635/123,807,481.24 = 48,462,520.76/x
  3. Step 3: Cross multiply
    89,715,635x = 123,807,481.24 × 48,462,520.76
  4. Step 4: Simplify right side
    89,715,635x = 6,000,022,629,836,810
  5. Step 5: Solve for x
    x = 6,000,022,629,836,810/89,715,635
  6. Step 6: Final answer
    x = 66,878,227.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.